Nature tends to produce constancy in all her works, but she does not always succeed.

几何是上帝心中永恒闪耀的一体。人类在其中所占的份额是人性是上帝形象的原因之一。

免费的疫苗比昂贵的治疗更有价值，但更难推广。

The more we learn about sensory biology, the more we realize how intricate and finely tuned our nervous system is.

每个人心中都有一张地图，这张地图是由他们的经历绘制的。